Class MemorySnapshotStore

INTERNAL API.

In-memory SnapshotStore implementation.

Inheritance
object
ActorBase
SnapshotStore
MemorySnapshotStore
TestSnapshotStore
Implements
Inherited Members
Namespace: Akka.Persistence.Snapshot
Assembly: Akka.Persistence.dll
Syntax
public class MemorySnapshotStore : SnapshotStore, IInternalActor

Properties

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Snapshots

This is available to expose/override the snapshots in derived snapshot stores

Declaration
protected virtual List<SnapshotEntry> Snapshots { get; }
Property Value
Type Description
List<SnapshotEntry>

Methods

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DeleteAsync(SnapshotMetadata, CancellationToken)

Plugin API: Deletes the snapshot identified by metadata.

This call is protected with a circuit-breaker

Declaration
protected override Task DeleteAsync(SnapshotMetadata metadata, CancellationToken cancellationToken)
Parameters
Type Name Description
SnapshotMetadata metadata

Snapshot metadata.
CancellationToken cancellationToken

CancellationToken used to signal cancelled snapshot operation
Returns
Type Description
Task
Overrides
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DeleteAsync(string, SnapshotSelectionCriteria, CancellationToken)

Plugin API: Deletes all snapshots matching provided criteria.

This call is protected with a circuit-breaker

Declaration
protected override Task DeleteAsync(string persistenceId, SnapshotSelectionCriteria criteria, CancellationToken cancellationToken)
Parameters
Type Name Description
string persistenceId

Id of the persistent actor.
SnapshotSelectionCriteria criteria

Selection criteria for deleting.
CancellationToken cancellationToken

CancellationToken used to signal cancelled snapshot operation
Returns
Type Description
Task
Overrides
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LoadAsync(string, SnapshotSelectionCriteria, CancellationToken)

Plugin API: Asynchronously loads a snapshot.

This call is protected with a circuit-breaker

Declaration
protected override Task<SelectedSnapshot> LoadAsync(string persistenceId, SnapshotSelectionCriteria criteria, CancellationToken cancellationToken)
Parameters
Type Name Description
string persistenceId

Id of the persistent actor.
SnapshotSelectionCriteria criteria

Selection criteria for loading.
CancellationToken cancellationToken

CancellationToken used to signal cancelled snapshot operation
Returns
Type Description
Task<SelectedSnapshot>
Overrides
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SaveAsync(SnapshotMetadata, object, CancellationToken)

Plugin API: Asynchronously saves a snapshot.

This call is protected with a circuit-breaker

Declaration
protected override Task SaveAsync(SnapshotMetadata metadata, object snapshot, CancellationToken cancellationToken)
Parameters
Type Name Description
SnapshotMetadata metadata

Snapshot metadata.
object snapshot

Snapshot.
CancellationToken cancellationToken

CancellationToken used to signal cancelled snapshot operation
Returns
Type Description
Task
Overrides

Implements

Extension Methods